1 definition by 5 Mile Bonar

The ability to sense attractive females in close proximity, usually claimed to be effective regardless of line-of-sight (like spidey-senses). The farther away, the more sensitive the bonar.
One: "Dude, I'm picking Lisa up on bonar, 25yds and closing."

Two: "You have to re-calibrate man, I had a fix on her 5 min ago."
by 5 Mile Bonar February 4, 2009
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